support/testing/tests/core/test_rootfs_overlay.py

   1 import os
   2 import subprocess
   3
   4 import infra.basetest
   5
   6
   7 def compare_file(file1, file2):
   8     return subprocess.call(["cmp", file1, file2])
   9
  10
  11 class TestRootfsOverlay(infra.basetest.BRTest):
  12
  13     rootfs_overlay_path = infra.filepath("tests/core/rootfs-overlay")
  14
  15     config = infra.basetest.BASIC_TOOLCHAIN_CONFIG + \
  16         infra.basetest.MINIMAL_CONFIG + \
  17         """
  18         BR2_ROOTFS_OVERLAY="{0}1 {0}2"
  19         """.format(rootfs_overlay_path)
  20
  21     def test_run(self):
  22         target_file = os.path.join(self.builddir, "target", "test-file1")
  23         overlay_file = "{}1/test-file1".format(self.rootfs_overlay_path)
  24         ret = compare_file(overlay_file, target_file)
  25         self.assertEqual(ret, 0)
  26
  27         target_file = os.path.join(self.builddir, "target", "etc", "test-file2")
  28         overlay_file = "{}2/etc/test-file2".format(self.rootfs_overlay_path)
  29         ret = compare_file(overlay_file, target_file)
  30         self.assertEqual(ret, 0)